18832678480 has 80 divisors (see below), whose sum is σ = 54590327424. Its totient is φ = 5869923840.

The previous prime is 18832678477. The next prime is 18832678483. The reversal of 18832678480 is 8487623881.

It is an interprime number because it is at equal distance from previous prime (18832678477) and next prime (18832678483).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×18832678480² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18832678483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522467 + ... + 1534786.

Almost surely, 2^18832678480 is an apocalyptic number.

18832678480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18832678480 is an abundant number, since it is smaller than the sum of its proper divisors (35757648944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18832678480 is a wasteful number, since it uses less digits than its factorization.

18832678480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057284 (or 3057278 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 55.

The spelling of 18832678480 in words is "eighteen billion, eight hundred thirty-two million, six hundred seventy-eight thousand, four hundred eighty".